M 5.1 earthquake near North Atlantic Ocean (Portugal) — 1971-08-21

Magnitude 5.1 earthquake near North Atlantic Ocean (406 km N, Portugal), depth 10 km, 15:08 Local (1971-08-21 17:08 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (406 km N, Portugal) — 42.148, -29.344

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